#include<bits/stdc++.h>
using namespace std;
int n,m;
int main(){
	freopen("employ.in","r",stdin);
	freopen("employ.out","w",stdout);
	ios::sync_with_stdio(0);
	cin.tie(0);
	cout.tie(0);
	srand(time(0));
	cin>>n>>m;
	cout<<rand()%998244353;
	return 0;
} 
